feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>

vendor/github.com/google/go-containerregistry/internal/verify/verify.go

@@ -17,7 +17,9 @@
 package verify
 
 import (
+	"bytes"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"hash"
 	"io"
@@ -26,20 +28,43 @@ import (
 	v1 "github.com/google/go-containerregistry/pkg/v1"
 )
 
+// SizeUnknown is a sentinel value to indicate that the expected size is not known.
+const SizeUnknown = -1
+
 type verifyReader struct {
-	inner    io.Reader
-	hasher   hash.Hash
-	expected v1.Hash
+	inner             io.Reader
+	hasher            hash.Hash
+	expected          v1.Hash
+	gotSize, wantSize int64
+}
+
+// Error provides information about the failed hash verification.
+type Error struct {
+	got     string
+	want    v1.Hash
+	gotSize int64
+}
+
+func (v Error) Error() string {
+	return fmt.Sprintf("error verifying %s checksum after reading %d bytes; got %q, want %q",
+		v.want.Algorithm, v.gotSize, v.got, v.want)
 }
 
 // Read implements io.Reader
 func (vc *verifyReader) Read(b []byte) (int, error) {
 	n, err := vc.inner.Read(b)
+	vc.gotSize += int64(n)
 	if err == io.EOF {
-		got := hex.EncodeToString(vc.hasher.Sum(make([]byte, 0, vc.hasher.Size())))
+		if vc.wantSize != SizeUnknown && vc.gotSize != vc.wantSize {
+			return n, fmt.Errorf("error verifying size; got %d, want %d", vc.gotSize, vc.wantSize)
+		}
+		got := hex.EncodeToString(vc.hasher.Sum(nil))
 		if want := vc.expected.Hex; got != want {
-			return n, fmt.Errorf("error verifying %s checksum; got %q, want %q",
-				vc.expected.Algorithm, got, want)
+			return n, Error{
+				got:     vc.expected.Algorithm + ":" + got,
+				want:    vc.expected,
+				gotSize: vc.gotSize,
+			}
 		}
 	}
 	return n, err
@@ -47,18 +72,51 @@ func (vc *verifyReader) Read(b []byte) (int, error) {
 
 // ReadCloser wraps the given io.ReadCloser to verify that its contents match
 // the provided v1.Hash before io.EOF is returned.
-func ReadCloser(r io.ReadCloser, h v1.Hash) (io.ReadCloser, error) {
+//
+// The reader will only be read up to size bytes, to prevent resource
+// exhaustion. If EOF is returned before size bytes are read, an error is
+// returned.
+//
+// A size of SizeUnknown (-1) indicates disables size verification when the size
+// is unknown ahead of time.
+func ReadCloser(r io.ReadCloser, size int64, h v1.Hash) (io.ReadCloser, error) {
 	w, err := v1.Hasher(h.Algorithm)
 	if err != nil {
 		return nil, err
 	}
-	r2 := io.TeeReader(r, w)
+	r2 := io.TeeReader(r, w) // pass all writes to the hasher.
+	if size != SizeUnknown {
+		r2 = io.LimitReader(r2, size) // if we know the size, limit to that size.
+	}
 	return &and.ReadCloser{
 		Reader: &verifyReader{
 			inner:    r2,
 			hasher:   w,
 			expected: h,
+			wantSize: size,
 		},
 		CloseFunc: r.Close,
 	}, nil
 }
+
+// Descriptor verifies that the embedded Data field matches the Size and Digest
+// fields of the given v1.Descriptor, returning an error if the Data field is
+// missing or if it contains incorrect data.
+func Descriptor(d v1.Descriptor) error {
+	if d.Data == nil {
+		return errors.New("error verifying descriptor; Data == nil")
+	}
+
+	h, sz, err := v1.SHA256(bytes.NewReader(d.Data))
+	if err != nil {
+		return err
+	}
+	if h != d.Digest {
+		return fmt.Errorf("error verifying Digest; got %q, want %q", h, d.Digest)
+	}
+	if sz != d.Size {
+		return fmt.Errorf("error verifying Size; got %d, want %d", sz, d.Size)
+	}
+
+	return nil
+}